JavaScript实现简单评论功能

2020-11-27 来源：尚佳旅游分享网
本文实例为大家分享了JavaScript实现简单评论功能的具体代码，供大家参考，具体内容如下
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
body{
/*background-image: url(../img/91R58PIC3n2_1024.jpg);*/
}
#div1{
margin: auto;
border: 1px beige solid;
width: 512px;
text-align: right;
}
ul{
list-style-type: none;
list-style-image: url(../img/touxiang.png);

}
.box{
width: 400px;
height: 150px;
/*background-color: yellow;*/
border: 1px darkgray solid;
border-radius: 30px;
position: relative;
}
.box .touxiang{
width: 80px;
height: 80px;
background-image: url(../img/touxiang.png);
background-size: 100% 100%;
position: absolute;
left: 10px;
top: 10px;
}
.box .nicheng{
width: 80px;
height:25px ;
/*background-color: red;*/
position: absolute;
left: 10px;
top: 100px;
font-size: 12px;
text-align: center;
line-height: 25px;
}
.box .pinglun{
width: 290px;
height: 80px;
/*background-color: cyan;*/
position: absolute;
top: 10px; 
right: 10px; 
}
.box .shijian{
width: 200px;
height: 25px;
/*background-color: green;*/
position: absolute;
top: 100px;
left:100px;
}


</style>

<script>
window.onload=function(){
var oTxt = document.getElementById("txt");
var oBtn = document.getElementById("btn1");
var oUl1 = document.getElementById("ul1");


oBtn.onclick=function(){
var oBox = document.createElement("div");
oBox.className = "box";

//创建头像
var oDiv = document.createElement("div");
oDiv.className = "touxiang";
oBox.appendChild(oDiv);

var oDiv = document.createElement("div");
oDiv.className = "nicheng";
oDiv.innerHTML = "指尖微凉*";
oBox.appendChild(oDiv);

var oDiv = document.createElement("div");
oDiv.className = "pinglun";
oDiv.innerHTML = oTxt.value;
oBox.appendChild(oDiv);

var oDiv = document.createElement("div");
oDiv.className = "shijian";
var oDate = new Date();
//oDate.getFullYear

oDiv.innerHTML ="评论时间  "+ oDate.getFullYear()+"年"+(oDate.getMonth()+1)+"月"+oDate.getDate()+"日"+"<a href='javascript:;'>删除</a>";




oBox.appendChild(oDiv);

oUl1.appendChild(oBox);

/*oBox.insertBefore(oUl1,oDiv[0]);*/

var aA = oDiv.getElementsByTagName("a");

for(var i = 0;i<aA.length;i++)
{
aA[i].onclick=function(){
oDiv.removeChild(this.parentNode);
}
}

}
}

</script>



</script>
</head>
<body>
<h2 align="center">网易云热评</h2>
<div id="div1" >
<textarea cols="70" rows="8" id="txt"></textarea><br />
<input type="button" value="评论" id="btn1" />

<ul id="ul1">

</ul>
</div> 
</body>
</html>
效果图：
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JavaScript实现简单评论功能
